321coc.dk
Last scanned: 2026-06-27 22:08:45  ·  1130ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   66ms
NameserverIP addressesPTRASN / ISP
ns1.websupport.sk 2a10:bbc0::11
45.10.97.11		 ns1.websupport.eu
ns1.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns2.websupport.sk 185.71.159.12
2a02:250:3::12		 ns2.websupport.eu
ns2.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns3.websupport.sk 2a10:bbc0::13
45.10.97.13		 ns3.websupport.eu
ns3.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.9.175.196 600s ing.r6.websupport.sk AS51013 WebSupport s.r.o. 37.9.168.0/21 🇸🇰 Slovakia —
📧 MX Records2 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx10.websupport.sk 2a00:4b40:aaaa:2101:45:13:137:110
45.13.137.110		 mx10.websupport.sk
m1-u6-mx.websupport.sk		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
100 600s mx20.websupport.sk 2a00:4b40:aaaa:2101:45:13:137:109
45.13.137.109		 mx20.websupport.sk
m1-u5-mx.websupport.sk		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverweb.prod.bts.websupport.sk → 37.9.169.173
🔶 Autoconfigweb.prod.bts.websupport.sk → 37.9.169.172
🔷 AAAA Records (IPv6)1 records   44ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:4b40:aaaa:2009::7 600s — AS51013 WebSupport s.r.o. 2a00:4b40:0:0:0:0:0:0/32 🇸🇰 Slovakia —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   101ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 web.prod.bts.websupport.sk
📝 TXT Records2 records   340ms
TXT Record
spf2.0/pra a mx include:_sid.m1.websupport.sk ?all
v=spf1 a mx include:_spf.m1.websupport.sk ?all
✉️ SPF
PolicyRecord (321coc.dk)
?all (neutral) v=spf1 a mx include:_spf.m1.websupport.sk ?all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE6 records   124ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx10.websupport.sk DANE-TA · SPKI · SHA-256 6BD9212CE649C659C9CABC6CB60FCFFA…
SMTP _25._tcp.mx10.websupport.sk DANE-TA · SPKI · SHA-256 C784333D20BCD742B9FDC3236F4E509B…
SMTP _25._tcp.mx10.websupport.sk DANE-TA · SPKI · SHA-256 0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx20.websupport.sk DANE-TA · SPKI · SHA-256 C784333D20BCD742B9FDC3236F4E509B…
SMTP _25._tcp.mx20.websupport.sk DANE-TA · SPKI · SHA-256 0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx20.websupport.sk DANE-TA · SPKI · SHA-256 6BD9212CE649C659C9CABC6CB60FCFFA…
🔐 DNSSEC84ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA45ms
FieldValue
Serial1747731902
Primary NS (MNAME)ns1.websupport.sk
Responsible (RNAME)admin@websupport.sk
Refresh7200s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
66ms
A
60ms
MX
44ms
AAAA
44ms
TXT
340ms
CAA
46ms
HTTPS
65ms
TLSA
124ms
SOA
45ms
MTA-STS
86ms
DNSSEC
84ms
SRV
101ms
Total
1130ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 22:08:45 1130ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 12:58:03 1985ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 12:55:05 2110ms 3 NS 1 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone